Home / 179,123.70-247,022.93-111,151.74

Finding the Fourth Proportional to 179,123.70, 247,022.93 and 111,151.74

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Solution

The fourth proportional to 179,123.70, 247,022.93 and 111,151.74 is: 153,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,123.70 : 247,022.93 = 111,151.74 : x
  2. Step 2: Convert to fraction form
    179,123.70/247,022.93 = 111,151.74/x
  3. Step 3: Cross multiply
    179,123.70x = 247,022.93 × 111,151.74
  4. Step 4: Simplify right side
    179,123.70x = 27,457,028,489.40
  5. Step 5: Solve for x
    x = 27,457,028,489.40/179,123.70
  6. Step 6: Final answer
    x = 153,285.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.